package com.itheima.dao.impl;

import com.itheima.dao.BookDao;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Repository;

@Repository
public class BookDaoImpl implements BookDao {
    public int select() {
        System.out.println("book select");
//        int i=1/0;
        return 100;
    }
    public void update(){
        System.out.println("book update");
    }

}
